Figure 5.
Changes in gel composition and microstructure of a hybrid alkaline cement with a very high fly ash content: (a) initial stage; (b) early age sample (min); (c) early age sample (h); (d) 7-day sample; (e) 28-day sample.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.